The officer stabbed in Wednesday’s terror attack in London was unarmed, like more than 90 percent of the British police force. Ketih Palmer, 48, was stabbed to death while guarding the entrance to the British Houses of Parliament unarmed. Just 2,800 out of London’s 31,075 police officers are armed, which the police force considers a safety measure. A cornerstone principle of the Metropolitan Police in London is that guns send the wrong message to communities by provoking crime rather than preventing it. Most officers are only equipped with batons, handcuffs, a mace and in some cases, stun-guns. A small number...
